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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,184 @@ | ||
| ######################################################################## | ||
| # # | ||
| # This file is part of the ksh 93u+m package # | ||
| # Copyright (c) 2022-2024 Contributors to ksh 93u+m # | ||
| # and is licensed under the # | ||
| # Eclipse Public License, Version 2.0 # | ||
| # # | ||
| # A copy of the License is available at # | ||
| # https://www.eclipse.org/org/documents/epl-2.0/EPL-2.0.html # | ||
| # (with md5 checksum 84283fa8859daf213bdda5a9f8d1be1d) # | ||
| # # | ||
| # Martijn Dekker <martijn@inlv.org> # | ||
| # Johnothan King <johnothanking@protonmail.com> # | ||
| # # | ||
| ######################################################################## | ||
|
|
||
| # A nice default .kshrc for 'bin/package use' | ||
| # Feel free to adapt and use as your own ~/.kshrc | ||
| # NOTE: much of this requires ksh 93u+m | ||
|
|
||
| # create a namespace for global kshrc stuff | ||
| typeset .rc | ||
|
|
||
| .rc.me=${0##*/} # a $0 without dir that won't change in functions | ||
| .rc.uid=${ id -u; } | ||
| .rc.uname=${ id -un; } | ||
| .rc.host=${ uname -n; } | ||
| .rc.host=${.rc.host%%.*} # remove domain | ||
| .rc.tty=${ tty; } | ||
| .rc.tty=${.rc.tty##*/} # remove dir | ||
|
|
||
| # ANSI foreground colours | ||
| .rc.clr=( | ||
| [magenta]=$'\E[35m' | ||
| [blue]=$'\E[34m' | ||
| [cyan]=$'\E[36m' | ||
| [red]=$'\E[31m' | ||
| ) | ||
|
|
||
| # Formatting codes | ||
| .rc.fmt=( | ||
| [ansiprefix]=$'\E[' | ||
| [reset]=$'\E[0m' | ||
| [underline]=$'\E[4m' | ||
| [bold]=$'\E[1m' | ||
| ) | ||
|
|
||
| # extend tilde expansion functionality: | ||
| # define some nice default shortcuts and add some warnings | ||
| function .sh.tilde.get | ||
| { | ||
| case ${.sh.tilde} in | ||
| '~tmp') .sh.value=${XDG_RUNTIME_DIR:-${TMPDIR:-/tmp}} ;; | ||
| '~doc') .sh.value=~/Documents ;; | ||
| '~ast') [[ -v INSTALLROOT ]] && .sh.value=$INSTALLROOT ;; | ||
| '~today') | ||
| printf -v .sh.value "%s/Documents/Projects/%(%Y-%m-%d)T" "$HOME" "now" | ||
| if [[ ! -d ${.sh.value} && ! -L ${.sh.value} ]]; then | ||
| printf '%s: creating directory %q\n' "${.rc.me}" "${.sh.value}" >&2 | ||
| mkdir -p "${.sh.value}" | ||
| fi ;; | ||
| \~*[![:alnum:]._-]*) | ||
| printf '%s: warning: %s: bad username\n' "${.rc.me}" "${.sh.tilde#\~}" >&2 ;; | ||
| \~*) eval ".sh.value=${.sh.tilde}" # perform default expansion | ||
| if [[ ${.sh.value} == "${.sh.tilde}" ]]; then | ||
| printf '%s: warning: %s: unknown username\n' "${.rc.me}" "${.sh.tilde#\~}" >&2 | ||
| fi ;; | ||
| esac | ||
| } | ||
|
|
||
| # RELPWD expands to relative current working directory with ~ support | ||
| # and configurable number of pathname components kept | ||
| function RELPWD.get | ||
| { | ||
| typeset del ellip=$'\u2026' v=$PWD keep=${RELPWD.keep} | ||
| ((${#ellip}==1)) || ellip='...' | ||
| [[ ($v == "$HOME" || $v == "$HOME"/*) && $HOME != / ]] && v=\~${v#"$HOME"} | ||
| if [[ -n $keep ]] | ||
| then del=${v%/$keep}/ | ||
| [[ $v == /*/$keep ]] && v=$ellip/${v#"$del"} | ||
| [[ $v == \~/*/$keep ]] && v=\~/$ellip/${v#"$del"} | ||
| fi | ||
| .sh.value=$v | ||
| } | ||
| # convert <=1 to *, 2 to */*, 3 to */*/*, etc. | ||
| function RELPWD.keep.set | ||
| { | ||
| typeset -si i n | ||
| let "(n=${.sh.value}) ? 1 : 1" 2>/dev/null || n=2 | ||
| ((n>64)) && n=64 # sanity check | ||
| ((n<1)) && .sh.value='' && return | ||
| .sh.value='*' | ||
| for ((i=2; i <= n; i++)) | ||
| do .sh.value+='/*' | ||
| done | ||
| } | ||
| # change this anytime to set number of pathname components kept | ||
| # set to 0 to keep all (but still change your home directory to ~) | ||
| RELPWD.keep=3 | ||
|
|
||
| # get the current git branch | ||
| function GITBRANCH.get | ||
| { | ||
| command -v git >/dev/null || return | ||
| .sh.value=${ git branch --show-current 2>/dev/null; } && return | ||
| # fallback for old git versions without --show-current: | ||
| .sh.value=${ git branch 2>/dev/null; } | ||
| case $'\n'${.sh.value} in | ||
| *$'\n* '*) | ||
| .sh.value=$'\n'${.sh.value} | ||
| .sh.value=${.sh.value#*$'\n* '} | ||
| .sh.value=${.sh.value%%$'\n'*} | ||
| ;; | ||
| *) .sh.value='' | ||
| ;; | ||
| esac | ||
| } | ||
|
|
||
| # the regular (PS1) and line continuation (PS2) prompts | ||
|
|
||
| typeset -sui .rc.ps2_lineno=0 | ||
| case ${.rc.uid} in | ||
| 0) .rc.clr1=${.rc.clr[magenta]} .rc.clr2=${.rc.clr[red]} .rc.char='#' ;; | ||
| *) .rc.clr1=${.rc.clr[blue]} .rc.clr2=${.rc.clr[cyan]} .rc.char='$' ;; | ||
| esac | ||
|
|
||
| # use single quotes to avoid expanding variables now, because PS1 is special: | ||
| # it expands variables in its value even without a discipline function. | ||
| # Also, '!' expands to the history file number (see 'man fc'). | ||
| PS1='${.rc.fmt[ansiprefix]}$((${?}?31:32))m$?${.rc.fmt[reset]}<${.rc.clr1}!${.rc.fmt[reset]}' | ||
| PS1+=':${.rc.clr2}${RELPWD}${GITBRANCH:+${.rc.clr1}[${GITBRANCH}]}${.rc.fmt[reset]} ${.rc.char} ' | ||
|
|
||
| function PS1.get | ||
| { | ||
| # reset PS2 counter whenever PS1 is shown | ||
| .rc.ps2_lineno=0 | ||
| } | ||
|
|
||
| # PS2 (like normal variables) does not expand anything by itself, | ||
| # but we can use a discipline function to make it act dynamically | ||
| function PS2.get | ||
| { | ||
| typeset clr1 clr2 char | ||
| case ${.rc.uid} in | ||
| 0) clr1=${.rc.clr[magenta]} clr2=${.rc.clr[red]} ;; | ||
| *) clr1=${.rc.clr[blue]} clr2=${.rc.clr[cyan]} ;; | ||
| esac | ||
| char=$'\u22d7' # greater-than with dot (UTF-8) | ||
| ((${#char}==1)) || char='>' | ||
| ((.rc.ps2_lineno++)) | ||
| printf -v .sh.value ' %s%s%02d%s%s %c%s ' \ | ||
| "$clr1" \ | ||
| "${.rc.fmt[underline]}" \ | ||
| .rc.ps2_lineno \ | ||
| "${.rc.fmt[reset]}" \ | ||
| "$clr2" \ | ||
| "$char" \ | ||
| "${.rc.fmt[reset]}" | ||
| } | ||
|
|
||
| # stuff for when this is run from 'bin/package use' | ||
| if [[ -v INSTALLROOT ]] | ||
| then | ||
| # make shipped functions available | ||
| case $FPATH: in | ||
| "$INSTALLROOT"/fun:*) | ||
| ;; | ||
| *) FPATH=$INSTALLROOT/fun${FPATH:+:$FPATH} ;; | ||
| esac | ||
| export FPATH | ||
| autoload autocd cd dirs man mcd popd pushd | ||
| # do not intefere with the regular ksh history | ||
| [[ -d $INSTALLROOT/var ]] || mkdir -p "$INSTALLROOT/var" | ||
| HISTFILE=$INSTALLROOT/var/sh_history_${.rc.tty} | ||
|
|
||
| # Print welcome message | ||
| set -- ${.sh.version} | ||
| print -r "${.rc.fmt[bold]}Welcome to ksh ${.rc.clr[red]}$3 ${.rc.clr[blue]}$4${.rc.fmt[reset]} on ${.rc.fmt[bold]}${.rc.host} (${.rc.tty})${.rc.fmt[reset]}" | ||
| set -- | ||
| print -r -- "- Have a look at ${.rc.fmt[bold]}~ast/etc/kshrc${.rc.fmt[reset]} to see all the cool stuff activated here" | ||
| print -r -- "- Type '${.rc.fmt[bold]}builtin${.rc.fmt[reset]}' for a list of built-in commands (with and without path)" | ||
| print -r -- "- Get help: use '${.rc.fmt[bold]}man${.rc.fmt[reset]} ${.rc.fmt[underline]}commandname${.rc.fmt[reset]}' for everything, even built-in commands" | ||
| print -r -- "- Autoloadable functions have been activated. Check them out in ${.rc.fmt[bold]}~ast/fun${.rc.fmt[reset]}" | ||
| fi |